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RCS to HLN: distance & flight time
Rochester (Rochester Airport) → Helena (Helena Regional Airport)
4,575 mi
7,362 km · 3,975 nm
9h 26m
estimated nonstop flight time
-7h
time difference · heading northwest
See live RCS→HLN fares Phone-only fares on this route — call free
Flight time details
4,575 miles nonstop takes roughly 9h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- RCS — Rochester Airport · Rochester, United Kingdom
- HLN — Helena Regional Airport · Helena, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RCS
- LGW · London Gatwick Airport33 mi away
- LHR · London Heathrow Airport42 mi away
- SEN · Southend Airport17 mi away
- BQH · London Biggin Hill Airport20 mi away
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is RCS from HLN?
The flight distance from Rochester (RCS) to Helena (HLN) is 4,575 miles (7,362 km, 3,975 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCS to HLN?
A nonstop flight takes about 9h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Rochester and Helena?
Helena is 7 hours behind Rochester.
What is the cheapest way to fly from RCS to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCS–HLN that never appear on search engines, with no booking fees.